Anicii Manlii Severini Boethii in Isagogen Porphyrii commenta. - Schepss, Georgius. (OLS)http://semarc/name/5694; Brandt, Samuel. (OLS)http://semarc/name/5683; Boethius, Anicius Manlius Torquatus Severinus, <480-524>. (OLS)http://semarc/name/455 (Anicii Manlii Severini Boethii operum)